Home / 36,940.96-55,399.69-11,975.14

Finding the Fourth Proportional to 36,940.96, 55,399.69 and 11,975.14

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Solution

The fourth proportional to 36,940.96, 55,399.69 and 11,975.14 is: 17,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,940.96 : 55,399.69 = 11,975.14 : x
  2. Step 2: Convert to fraction form
    36,940.96/55,399.69 = 11,975.14/x
  3. Step 3: Cross multiply
    36,940.96x = 55,399.69 × 11,975.14
  4. Step 4: Simplify right side
    36,940.96x = 663,418,706.83
  5. Step 5: Solve for x
    x = 663,418,706.83/36,940.96
  6. Step 6: Final answer
    x = 17,958.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.